We researched and compared the top side rails for roof racks available on the market. Our evaluation is based on manufacturer specifications, published safety standards, and aggregated owner feedback. Whether you need heavy-duty rails for hauling gear or a sleek factory-match design, this guide will help you choose the best option for your vehicle.
| Photo | Product | Score | Buy |
|---|---|---|---|
 |
Thule WingBar Evo Side Rails Best Overall Load capacity 165 lbs, aluminum construction, aerodynamic design |
9.2 | 🛒 Check Price |
 |
Yakima JetStream Side Rails Runner Up Load capacity 165 lbs, extruded aluminum, T-slot channel |
8.9 | 🛒 Check Price |
 |
Rhino-Rack Vortex Side Rails Best Value Load capacity 165 lbs, steel core with aerodynamic shroud |
8.5 | 🛒 Check Price |
 |
Malone Auto Racks Side Rails Budget Pick Load capacity 150 lbs, steel construction, powder-coated finish |
7.8 | 🛒 Check Price |
 |
Keeper Adjustable Side Rails Versatile Fit Load capacity 150 lbs, adjustable length 48-60 inches, steel |
8.1 | 🛒 Check Price |
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Apex Universal Side Rails Basic Utility Load capacity 100 lbs, steel, universal fit with clamps |
7.3 | 🛒 Check Price |
 |
Brightlines Side Rails for GMC/Chevy Factory Match Load capacity 150 lbs, aluminum, vehicle-specific fit for GMC/Chevy trucks |
8.3 | 🛒 Check Price |
1. Thule WingBar Evo Side Rails: Best Overall
In our evaluation, the Thule WingBar Evo stands out for its excellent aerodynamic performance and ease of use. The WingBar profile is engineered to minimize wind noise and fuel consumption, a feature appreciated by many owners on long trips. The aluminum construction is both lightweight and durable, supporting up to 165 pounds. The integrated One-Key lock system provides security, and the tool-free mounting makes installation straightforward for most vehicles with raised rails or fixed points.
However, the premium design comes at a higher cost. If you are on a strict budget or only need occasional light-duty use, you might find better value elsewhere. Also, owners with very old vehicles lacking standard mounting points may need additional adapters. We recommend this for those who prioritize quiet performance and long-term durability over upfront savings.
- Aerodynamic WingBar profile reduces wind noise and drag
- Tool-free mounting with the One-Key lock system
- Compatible with a wide range of Thule accessories
Pros: Low wind noise even at highway speeds; Easy to install and remove without tools
Cons: Higher price point compared to basic steel rails
2. Yakima JetStream Side Rails: Runner Up
Yakima JetStream side rails are a close competitor to Thule, offering similar aerodynamic benefits and a robust T-slot channel that simplifies mounting bike racks, cargo boxes, and other accessories. The extruded aluminum rails are weather-resistant and support up to 165 pounds. Based on owner feedback, installation is generally smooth, though some vehicles require additional clips or adapters (sold separately).
Where the JetStream falls slightly short is in wind noise control at sustained high speeds; a few owners note a whistle above 70 mph. Also, the price is nearly as high as the Thule WingBar Evo, making it less appealing for budget-conscious buyers. We think it is an excellent choice for those who value the T-slot system and already own Yakima accessories, but if absolute silence is your priority, the Thule may be a better fit.
- Aerodynamic JetStream shape reduces wind noise
- T-slot channel allows quick accessory mounting
- Available in multiple lengths to fit various vehicles
Pros: Sleek design with integrated T-slot for easy accessory attachment; Strong aluminum construction with corrosion resistance
Cons: Some users report wind noise at very high speeds over 70 mph
3. Rhino-Rack Vortex Side Rails: Best Value
Rhino-Rack Vortex side rails offer a compelling middle ground for shoppers who want aerodynamic performance without the premium price of Thule or Yakima. The rails feature a steel core encased in an aerodynamic shroud, which reduces wind noise and drag compared to traditional round bars. The load capacity matches the top contenders at 165 pounds. Many owners praise the value, noting that the Vortex performs nearly as well as more expensive options.
The main trade-off is weight: the steel core makes these rails heavier, which can be a concern for those who frequently remove and reinstall them. Also, the mounting hardware can be slightly fiddly on some vehicles, requiring careful alignment. We recommend the Vortex for budget-minded buyers who need solid performance and do not mind a few extra pounds. If weight is a critical factor, consider an all-aluminum model instead.
- Aerodynamic shroud reduces drag and noise
- Steel core provides high strength at lower cost
- Compatible with Rhino-Rack and many third-party accessories
Pros: Good balance of strength and affordability; Aerodynamic design quieter than basic round bars
Cons: Heavier than all-aluminum competitors
4. Malone Auto Racks Side Rails: Budget Pick
Malone Auto Racks side rails are a straightforward, no-frills option for those on a tight budget. The steel construction and powder-coated finish provide adequate durability for occasional use, and the load capacity of 150 pounds is sufficient for most recreational gear. Based on owner feedback, installation is relatively simple for common vehicle types, though some users report needing to drill or modify for certain models.
The biggest drawbacks are wind noise and potential corrosion. The round steel bars generate noticeable wind noise at highway speeds, and the powder coating can chip over time, leading to rust. We recommend these only for light, infrequent use or for budget builds where noise is not a concern. For frequent highway driving or heavy loads, we suggest investing in an aerodynamic aluminum model.
- Affordable steel rails with powder-coated black finish
- Universal fit for most vehicles with raised rails or gutters
- Includes mounting hardware for many applications
Pros: Very affordable entry-level option; Decent load capacity for the price
Cons: No aerodynamic shaping, higher wind noise; Steel may rust if coating is scratched
5. Keeper Adjustable Side Rails: Versatile Fit
Keeper Adjustable side rails are designed for versatility, with an adjustable length that can accommodate a wide range of vehicle roof widths. The steel rails are powder-coated for corrosion resistance, and the included foam pads protect the roof from scratches. This design is especially useful for those who switch the rack between vehicles or need a temporary solution.
However, the adjustable mechanism introduces some compromises. The foam pads are not as durable as rubber or plastic mounts, and some owners report they deteriorate after a season of sun exposure. Also, the load capacity is lower than fixed rails, and the rails can feel less rigid under heavy loads. We recommend these for occasional use on multiple vehicles or for short-term hauling. For permanent installation and heavy loads, consider a fixed-length option.
- Adjustable length to fit various vehicle widths
- Steel construction with black powder coat
- Includes foam pads and straps for installation
Pros: Adjustable width fits many vehicles without drilling; Good for temporary or seasonal use
Cons: Foam pads may degrade in sun over time; Not as sturdy as fixed-length rails
6. Apex Universal Side Rails: Basic Utility
Apex Universal side rails are the most basic option in our lineup, designed for light-duty use with a maximum load of 100 pounds. The clamp-on design makes installation quick and tool-free, which is convenient for users who need a temporary rack. The steel bars are lightweight and affordable, making them accessible to almost any budget.
However, the low load capacity and lack of aerodynamic shaping mean these rails are best suited for occasional trips with soft bags or light gear. The clamps can also mar the roof paint if not carefully installed with the included pads. We advise skipping these if you plan to carry heavy items like kayaks or cargo boxes. For very light loads and minimal investment, they can serve a purpose, but most owners will benefit from upgrading to a stronger option.
- Universal clamp-on design, no drilling required
- Lightweight steel bars with black finish
- Ideal for light loads like luggage or camping gear
Pros: Easy installation with clamps, no permanent modification; Very low cost
Cons: Low load capacity limits use to light items; Clamps may scratch paint if not padded properly
7. Brightlines Side Rails for GMC/Chevy: Factory Match
Brightlines side rails are designed to match the factory look for specific GMC and Chevrolet trucks, making them an excellent choice for owners who want a seamless appearance. The aluminum construction is lightweight and resistant to rust, and the direct bolt-on installation typically requires no drilling. Owner feedback highlights the easy fit and clean aesthetic.
The main limitation is the lack of universality: these rails only fit certain models (check compatibility before purchase). Additionally, the load capacity of 150 pounds is adequate for most gear but less than some aftermarket options. We recommend these for truck owners who prioritize factory style and do not need the highest load capacity. If you drive a different brand or need more weight support, look at universal options.
- Factory-style design matches OEM appearance
- Aluminum construction with corrosion-resistant coating
- Direct bolt-on installation for specific GMC/Chevy models
Pros: Perfect fit for compatible trucks, looks like factory option; Sturdy aluminum with good corrosion resistance
Cons: Only fits select GMC/Chevy models, not universal; Lower load capacity than some universal options
Frequently Asked Questions
What are side rails for a roof rack and why do I need them?
Side rails are the horizontal bars that attach to your vehicle’s roof, providing a base for mounting cargo boxes, bike racks, kayak carriers, and other accessories. They are essential if your vehicle lacks built-in rails and you need to carry gear on the roof. Choosing the right set ensures safety, stability, and ease of use.
How much weight can roof rack side rails hold?
Weight capacity varies by product, typically ranging from 100 to 165 pounds for standard passenger vehicles. Always check the manufacturer’s specified load limit and never exceed it. Also consider the dynamic load limit while driving, which is usually lower than the static rating. For heavy items like rooftop tents, you may need heavy-duty rails with higher capacity.
Will side rails fit any vehicle?
Not all side rails are universal. Some are designed for specific vehicle makes and models, while others come with adjustable brackets or clamps to fit a range of vehicles. Before purchasing, verify compatibility with your vehicle’s roof type (e.g., raised rails, gutter, fixed points, or bare roof). Many manufacturers provide fit guides on their websites.
Do side rails increase wind noise and fuel consumption?
Yes, roof racks can increase wind noise and reduce fuel efficiency due to aerodynamic drag. However, modern aerodynamic side rails with streamlined shapes (like Thule WingBar or Yakima JetStream) minimize these effects. Round bars are generally noisier. Removing the rails when not in use can help restore fuel economy.
How do I maintain and care for my side rails?
Regularly inspect the rails for signs of wear, corrosion, or loose bolts. Clean them with mild soap and water to remove dirt and road salt. For steel rails, touch up any scratches in the coating to prevent rust. Aluminum rails require less maintenance but still benefit from periodic cleaning. Store the rails indoors if removed for winter.
Our Verdict
After comparing specifications, safety standards, and owner reviews, our top pick is the Thule WingBar Evo Side Rails for their outstanding aerodynamic performance, ease of installation, and robust build quality. The Yakima JetStream is a close runner-up, especially if you prefer the T-slot channel system. For budget-conscious buyers, the Rhino-Rack Vortex offers excellent value without sacrificing too much performance.
